Architecture is the carrier of national culture, and architectural decoration embodies the extension of residential functions from the material realm to the spiritual realm. This article starts from the use and meaning of the architectural decoration colors of the Yi, and the use and meaning of totem decoration patterns. Analyzed the use and symbolic meaning of the decorative colors and patterns in the Yi buildings, so that everyone could better understand the connotation of the decorative colors and patterns in the Yi buildings. What’s more, it pointed out that the use of the Yi building decorations has far-reaching significance for the inheritance of the traditional national architectural culture.